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MCQs

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A vector of magnitude 5N is added to a vector of magnitude 8N while the orientation are changeable. Range of their possible sum will vary from:
NETNUST Entry TestPhysicsVectors and Equilibrium
If the vector 5N lies along x-axis, then its component along y-axis will be:
NETNUST Entry TestPhysicsVectors and Equilibrium
The rectangular components of a vector are equal in magnitude when the vector makes an angle _____ with their x-component
NETNUST Entry TestPhysicsVectors and Equilibrium
If A=2i+3j-4k, then its magnitude will be:
NETNUST Entry TestPhysicsVectors and Equilibrium
If a vector lies in second quadrant, then $B_{x}$ and $B_{y}$ are:
NETNUST Entry TestPhysicsVectors and Equilibrium
Distance AB between the points A (2,3,4) and B (-5,6,7) is given by:
NETNUST Entry TestPhysicsVectors and Equilibrium
In a triangle OPQ, if $Q=90^{\circ} and OP is hypotenuse, then:
NETNUST Entry TestPhysicsVectors and Equilibrium
If a vector $\overrightarrow{A}$ makes an angle $\theta$ with x-axis, then:
NETNUST Entry TestPhysicsVectors and Equilibrium
Parallel vectors of same magnitudes:
NETNUST Entry TestPhysicsVectors and Equilibrium
The direction of a vector in space is specified by:
NETNUST Entry TestPhysicsVectors and Equilibrium
Two vectors $\overrightarrow{A}$ and $\overrightarrow{B}$ are said to be equal if they have:
NETNUST Entry TestPhysicsVectors and Equilibrium
When $\overrightarrow{A}$ is added to its negative, we get:
NETNUST Entry TestPhysicsVectors and Equilibrium
If n represents a physical quantity in the product $n\overrightarrow{A}$, then dimensions of $n\overrightarrow{A}$ will be:
NETNUST Entry TestPhysicsVectors and Equilibrium
$n\overrightarrow{A}$ has same direction as that of $\overrightarrow{A}$ when n is ______
NETNUST Entry TestPhysicsVectors and Equilibrium
The direction of a vector in space requires:
NETNUST Entry TestPhysicsVectors and Equilibrium
Choose the set of physical quantities which have both numerical and directional properties:
NETNUST Entry TestPhysicsVectors and Equilibrium
Which type of current passes through extrinsic semiconductor diode?
NETNUST Entry TestPhysicsPhysics of Solids
Dimension of modulus of elasticity are
NETNUST Entry TestPhysicsPhysics of Solids
In an extrinsic semi-conductor charge carriers are
NETNUST Entry TestPhysicsPhysics of Solids
Negative strain indicates that
NETNUST Entry TestPhysicsPhysics of Solids
Aluminum is a
NETNUST Entry TestPhysicsPhysics of Solids
Semiconductors have conductivity of the order
NETNUST Entry TestPhysicsPhysics of Solids
Young modulus for the perfectly rigid body is
NETNUST Entry TestPhysicsPhysics of Solids
If stress is doubled, then volume becomes?
NETNUST Entry TestPhysicsPhysics of Solids
When the opposite faces of a rigid cube are subjected to shear stress, the shear strain produced is given by:
NETNUST Entry TestPhysicsPhysics of Solids
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